2 papers
astro-ph.GA2026
Searching for and characterizing halo substructures with the GALAH DR4 survey
Iryna Kushniruk, Kristopher Youakim, Karin Lind +12
Recent studies show that the Milky Way stellar halo is composed of populations of different origins, shaped by multiple accretion events. To better understand the formation of the…
astro-ph.GA2023
Diffuse Interstellar Bands in Gaia DR3 RVS spectra Machine-learning based new measurements
He Zhao, Mathias Schultheis, Caixia Qu +1
Diffuse interstellar bands (DIBs) are weak and broad interstellar absorption features in astronomical spectra originating from unknown molecules. To measure DIBs in spectra of late…